diff --git a/web/static/app.js b/web/static/app.js
index 65320ad..9d3945a 100644
--- a/web/static/app.js
+++ b/web/static/app.js
@@ -588,7 +588,7 @@ async function showTelegramLogin() {
 }
 
 function isMobileBrowser() {
-  return /Android|iPhone|iPad|iPod|Mobile/i.test(navigator.userAgent);
+  return /Android|iPhone|iPad|iPod|Mobile/i.test(navigator.userAgent) || window.matchMedia("(max-width: 640px)").matches;
 }
 
 function telegramBotUrl(botUsername) {